BN. Puzzling Panelists
A quickie: how many puzzled panelists can you have?
Archive for math puzzles
BM. An astronomical cost!
The conclusion to the banana & camel puzzle.
BL. Eternally diminishing returns
With enough time and patience and bananas, can we go as far as we please?
BK. Bananas and Rockets
A classic puzzle reveals why rockets require so much fuel, even for wee payloads.
BJ. The Most Powerful Force
Albert Einstein is often quoted as saying that compound interest is the most powerful force in the universe. He didn’t really say that, but the sentiment is valid. If you compound more and more frequently, is there a limit on the interest one can earn?
BI. The Shape of the Universe
Jeff Weeks, author of “The Shape of Space”, tells us about the hypersphere, the Poincaré conjecture and the topology of the universe!
BH. The Poincaré Conjecture
Jeff Weeks, author of “The Shape of Space”, discusses the hypersphere and the famous Poincaré Conjecture!
BF. Catching Errors
Credit card numbers have an error catching code, that uses the tricks of the last few weeks.
BE. Trap door encryption
Is this podcast legally a “munition”? Old ideas in number theory are the basis for a whole new class of powerful encryption schemes that underlie the modern internet economy.
We just use the tools we discussed in the last couple of weeks, in a new way.
BD. Magic Numbers
We discuss a neat trick involving powers, mod a pair of primes.
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